Commemorative cover with a stamped cachet honoring the USS Kearsarge and the “Project Mercury Recovery Team” for the Mercury-Atlas 9 mission, postmarked aboard said vessel on May 16, 1963, the date of splashdown, signed in black ballpoint by the pilot, “Gordon Cooper, ‘Faith 7.’” The upper left corner is signed by Commanding Officer Robert H. Warren. In very fine condition. Accompanied by a full letter of authenticity from Zarelli Space Authentication.